Counting Performance and its Developmental Relation to the Verbal Regulation of Behavior in Children with Intellectual Disabilities 論文 Megumi Akatsuka・Mika EJIRI・Hiroko Matsui・Toshihide Koike ·2002-01-01 ·『The Japanese Journal of Special Education』 40(2) pp. 205-214 doi:10.6033/tokkyou.40.205